18 Questions
Which of the following is the infective stage of a parasite that infects the definitive host?
Infective stage
What is the term given to a disease of animals that is transmissible to humans?
Zoonosis
Which phylum do the helminths (worms) that parasitize humans belong to?
Both a and b
What is the characteristic of the digestive system of trematodes (flukes)?
It is blind
Which of the following is the mode of infection for parasites?
All of the above
Which branch of Medical Parasitology deals with the study of arthropods?
Entomology
What is the definition of a parasite according to the text?
An organism that lives on or in another organism and provides it with protection and nourishment
Which of the following is an example of an endoparasite?
Ancylostoma duodenale
What is the definition of a definitive host according to the text?
The host in which the adult stage of the parasite lives or sexual reproduction takes place
Which of the following is an example of a facultative parasite?
Parasites that can exist in soil and water independently of their hosts
What is the definition of a vector according to the text?
The host that transmits parasites to humans
What is the definition of an intermediate host according to the text?
The host which harbors the immature or larval stages of the parasite, or in which the asexual reproduction takes place
What type of hosts do trematodes utilize?
Snails as intermediate hosts
Which of the following statements about Fasciola species is INCORRECT?
Their intermediate host is a freshwater fish
Which of the following is NOT a parasitic trematode of humans?
Taenia solium (pork tapeworm)
What is the infective stage of Fasciola species?
Encysted metacercariae
Which of the following is TRUE about the geographical distribution of Fasciola species?
They have a cosmopolitan distribution
Which of the following statements about the morphology of Fasciola species is CORRECT?
They have two suckers: oral and ventral
Test your knowledge on parasitic infections by answering questions related to stages of parasites, sources of infection, and modes of transmission. Learn about different sources such as soil, water, food, animals, and more.
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